+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#include "colls_private.h"
#include <math.h>
int i, j, src, dst, rank, num_procs, count, num_reqs;
int X, Y, send_offset, recv_offset;
int my_row_base, my_col_base, src_row_base, block_size;
- int tag = 1;
+ int tag = COLL_TAG_ALLTOALL;
rank = smpi_comm_rank(comm);
num_procs = smpi_comm_size(comm);
block_size = extent * send_count;
- tmp_buff1 = (char *) xbt_malloc(block_size * num_procs * Y);
- tmp_buff2 = (char *) xbt_malloc(block_size * Y);
+ tmp_buff1 = (char *) smpi_get_tmp_sendbuffer(block_size * num_procs * Y);
+ tmp_buff2 = (char *) smpi_get_tmp_recvbuffer(block_size * Y);
num_reqs = X;
if (Y > X)
req_ptr = reqs;
- send_offset = recv_offset = (rank % Y) * block_size * num_procs;
-
count = send_count * num_procs;
for (i = 0; i < Y; i++) {
smpi_mpi_waitall(X - 1, reqs, statuses);
free(reqs);
free(statuses);
- free(tmp_buff1);
- free(tmp_buff2);
+ smpi_free_tmp_buffer(tmp_buff1);
+ smpi_free_tmp_buffer(tmp_buff2);
return MPI_SUCCESS;
}